Effective home remedies for a runny nose or a cold include bulking up on vitamin C and zinc to shorten the life of a cold and applying nasal strips to enlarge the nasal passages and open up the airways, according to WebMD. A saltwater nasal rinse is also recommended.
A runny nose that is irritated by constant blowing can be soothed by applying petroleum jelly on the nose or using tissues with lotion that prevents soreness and redness, states WebMD. Patients suffering from a cold and runny nose should drink plenty of liquids, including chicken soup or broth and rest frequently to allow the body to fight the virus causing the runny nose.
Using a humidifer can help to break up phlegm and open up the nasal passages, advises WebMD. Throat sprays, lozenges and gargling with warm salt water may help reduce nasal pressure, sore throats and runny noses.
Treating the cause of a runny nose in consultation with a physician is recommended, according to the Mayo Clinic. A runny nose can be caused by infections such as influenza or a cold or allergies and environmental irritants that inflame the nasal tissues. Acute or chronic sinusitis, overuse of decongestant nasal sprays, dry air, food allergies and hormonal changes may also cause a runny nose.